LUCAS, S. E. 1. (2007). The art of public speaking (9th. Ed.). Boston: McGraw-Hill.
シカゴスタイル引用形LUCAS, Stephen E 1946-. The Art of Public Speaking. 9th. Ed. Boston: McGraw-Hill, 2007.
MLA引用形式LUCAS, Stephen E 1946-. The Art of Public Speaking. 9th. Ed. Boston: McGraw-Hill, 2007.
警告: この引用は必ずしも正確ではありません.